Brand - Mobvoi, Model - Mobvoi TicWatch E3, Watch Size - 47mm, Cellular Network - No, SIM Card Slot - No, Dial Shape - Round, Dial Type - Digital, Processor /CPU - Mobvoi dual processor system, Chip - Qualcomm Snapdragon Wear 4100, Display Size - 1.3 Inch, Display Type - HD Display, Display Resolution - 360 x 360, Display Protection - 2.5D curved glass, Multitouch - Full Touch screen, Ram & Memory - 1GB, Storage - 8GB, Camera - No, Calling Feature - Yes, Loudspeaker - Yes, Microphone - Yes, Waterproof - Yes, Waterproof Rating/Level - IP68, Water Resistant - Yes, Dustproof - No, Shockproof - No, Blood Oxygen - Yes, Heart Rate - Yes, Sensors - Accelerometer, Gyro Sensor, HD PPG Heart Rate Sensor, SpO2 Sensor, Low Latency Off-Body Sensor, Optical Heart Sensor - Yes, Activity Tracker - Yes, Vibration - Yes, Button - 2, Card slot - No, Wi-Fi - Yes, Wi-Fi Type - Wi-Fi:802.11b/g/n, Bluetooth - Yes, Bluetooth Version - Bluetooth 5.0, Data Sync Compatibility - Mobvoi app, NFC - Yes, GPS - Yes, Connectivity - Bluetooth, Wi-Fi, GPS, Battery - 380mAh, Charging Method/Port - Magnetic, Body Materials - Polycarbonate, Body Color - Black, Band Color - Black, OS & Version - Android & IOS, Watch Dimension - 47 x 44 x 12.6mm, Weight - 32 gm, Others - Advanced health sensors as seen in TicWatch Pro 3, the latest flagship model, Powerful Qualcomm Snapdragon Wear 4100 Platform and Mobvoi dual processor system HD 2.5D curved display, yet lightweight and comfortable for everyday wear Countless possibilities of WearOS by Google, including Google Pay, Assistant, Maps, and so much more, Warranty - To Be Announced